Overview
During this stretch of severe weather, our office went seven consecutive days issuing severe weather warnings (from August 9-15). This tied our office's record of the longest stretch of days when we issued at least one severe weather warning (June 2-8, 2008). This was about as active of a week as we can have!
Statistics courtesy of Daryl Herzmann from the Iowa Environmental Mesonet.
August 9th Evening Supercells
Select a tornado from the table to zoom into the track and view more information. The default table view is limited to 8 tracks, but can be scrolled by a mouse wheel or dynamically expanded. Additionally, the table can fill the entire window by clicking the small circular expanding arrow icon at the very top right of the table and returned to its original size by clicking the button again. The side information panel that opens over the map can be closed using the "X" on the upper right corner of the pop-up. Zoom into the map and click damage points to see detailed information and pictures from the surveys.
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| Summary of the August 9th tornadoes over Henry county, Illinois |
August 11th Derecho
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| Summary of the August 11th derecho, with a map of the reports we received | Summary of the three tornadoes that occurred in Delaware county, Iowa |
August 12th Morning Storms
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| Summary of the August 12th severe storms, which included damaging winds along I-80 to the Quad Cities, and around the New London/Middletown, IA areas |
August 13th-15th Heavy Rainfall
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| Aug 13-14th Rainfall Summary | Aug 14-15th Rainfall Summary |
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| Aug 13-15th 72-Hour Total Rainfall Summary |
...72 HOUR TOTAL RAINFALL REPORTS... Location Amount Time/Date Wapello 0.2 S 8.75 in 0700 AM 08/16 Morning Sun 1.7 E 7.81 in 0800 AM 08/16 Wapello 5.4 SE 7.53 in 0700 AM 08/16 Aledo 7.09 in 0650 AM 08/16 La Harpe 0.7 E 6.48 in 0930 AM 08/16 Colchester 3.5 NE 6.22 in 0635 AM 08/16 Macomb 6.03 in 0700 AM 08/16 Ainsworth 7.4 N 5.92 in 0700 AM 08/16 Fairfield 5.7 NNE 5.77 in 0700 AM 08/16 La Harpe 5.73 in 0800 AM 08/16 MACOMB 5.32 in 0408 PM 08/16 Galva 4.71 in 0800 AM 08/16 Fort Madison 4.5 NNW 4.69 in 0800 AM 08/16 Monmouth 4.67 in 0405 PM 08/16 Washington 6.5 W 4.63 in 0700 AM 08/16 Hayesville 0.2 SW 4.48 in 0800 AM 08/16 New Windsor 2.0 N 4.38 in 0700 AM 08/16 Hillsboro 5.8 SE 4.35 in 0712 AM 08/16 Kewanee 1 E 4.18 in 0700 AM 08/16 Stronghurst 0.4 SSW 4.17 in 0700 AM 08/16 Fairfield 1.4 S 4.03 in 0700 AM 08/16 Burlington 6.5 SSW 3.97 in 0700 AM 08/16 Salem 3.1 ESE 3.90 in 0800 AM 08/16 Danville 2.9 W 3.83 in 0700 AM 08/16 Mount Union 3.6 S 3.74 in 0900 AM 08/16 Macomb Arpt 3.73 in 0355 PM 08/16 Fairfield 3.72 in 0800 AM 08/16 Donnellson 0.2 WSW 3.67 in 0700 AM 08/16 Donnellson 3.64 in 0700 AM 08/16 Galva 2.7 NE 3.64 in 0600 AM 08/16 2 WSW Yarmouth 3.58 in 0700 AM 08/16 Wellman 4.0 E 3.54 in 0700 AM 08/16 Atkinson 2.6 NNE 3.50 in 0800 AM 08/16 Taylor Ridge 1.1 N 3.43 in 0700 AM 08/16 Fairfield 3.42 in 0800 AM 08/16 Sigourney 3.41 in 0600 AM 08/16 0.9 W Wayland 3.41 in 0330 PM 08/16 Parnell 0.1 SSW 2.92 in 0600 AM 08/16 Princeton 1.0 SSW 2.89 in 0700 AM 08/16 Kahoka 2.81 in 0408 PM 08/16 2 W Wayland 2.70 in 0800 AM 08/16 Farmington 3.5 W 2.68 in 0730 AM 08/16 Augusta 2.67 in 0657 AM 08/16 Muscatine 1.4 N 2.67 in 0700 AM 08/16 Farmington 2.4 W 2.66 in 0730 AM 08/16 Quad City Intl Arpt 2.66 in 0352 PM 08/16 Farmington 0.3 NW 2.64 in 0730 AM 08/16 Montrose 4.5 NNW 2.63 in 0518 PM 08/15 Farmington 0.4 NNW 2.62 in 0730 AM 08/16 New London 2.60 in 0400 PM 08/16 Fort Madison Arpt 2.50 in 0355 PM 08/16 3.1 W Oakland Mills 2.50 in 0330 PM 08/16 3 NW Nauvoo 2.49 in 0400 PM 08/16 1 E Williamsburg 2.43 in 0700 AM 08/16 Davenport 0.9 WNW 2.34 in 0639 AM 08/16 Williamsburg 0.6 SW 2.33 in 0800 AM 08/16 Stronghurst 2.21 in 0402 PM 08/16 Nichols 3.6 WSW 2.21 in 0700 AM 08/16 Van Horne 2.1 NNW 2.19 in 0700 AM 08/16 Warsaw 5.8 SE 2.17 in 0700 AM 08/16 Coleta 1.4 SSW 2.13 in 0700 AM 08/16 Observations are collected from a variety of sources with varying equipment and exposures. We thank all volunteer weather observers for their dedication. Not all data listed are considered official.
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